Owner/service/parts manual for bobcat 820 - Snowblower Forum : Snow Blower Forums
 
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post #1 of 4 Old 12-26-2018, 01:38 PM Thread Starter
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Owner/service/parts manual for bobcat 820

Looking for a manual for an early 1960s Bobcat 820 snowblower. The exact model number is 820-6602.
Robert A Fierro is offline  
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post #2 of 4 Old 12-26-2018, 05:40 PM
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Originally Posted by Robert A Fierro View Post
Looking for a manual for an early 1960s Bobcat 820 snowblower. The exact model number is 820-6602.
Perhaps one of these is close enough to be helpful? https://drive.google.com/drive/folde...0pQMjduN281Tm8
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post #3 of 4 Old 12-27-2018, 11:30 AM Thread Starter
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Yes, Thank you. Did not find everything I wanted, however one of them was a big help. It seems I have a 1961 820 with a 3 1/2 HP Lauson.

Now to hunt down a few missing parts, most notably a missing tire rim. Never saw that 2 piece rim system they used on anything, hopefully can replace with a modern welded steel full rim wheel and tire without too much aggravation.

Last edited by Robert A Fierro; 12-27-2018 at 11:43 AM. Reason: Correcterror
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post #4 of 4 Old 01-23-2019, 02:52 PM Thread Starter
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Updates...
Finally picked up this oldie... S/N says built in 1961. Engine is a Lawson/Tecumseh HR36P-2403P. Could not find this exact motor, however found other motors of the same era and it seems as if the "R" in the HR stands for "Reduction" .
I found partial manual for the HR20 and it shows a 6:1 gear reduction on the output, making sourcing a new (alternative) engine problematic. When I say partial manual, the manual only shows the reduction gearbox as a part of the engine leading me to the conclusion that manuals for the H20 series engines would be the same manual for the same (albeit lower HP) engine sans gear reduction.
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